Đề thi thử tốt nghiệp THPT 2021 môn Tiếng Anh Trường THPT Thành Nhân tp. HCM file PDF. Thi ngày 07/05/2021
Read the following passage and blacken the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best completes each of the blanks.
We all want to live in a clean and green world and breathe pollution free air. For this kind of environment, we desperately need a fossil fuel free world. Scientists are toiling hard to come up (39) ______ alternative fuels which can replace conventional fuels. One such study was presented at the 237th National Meeting of the American Chemical Society. This study throws interesting light on the first economical, eco-friendly process to (40) ______ algae oil into biodiesel fuel. The scientists are quite hopeful that one day America will become independent (41) ______ fossil fuels. Ben Wen is the (42) ______ researcher and vice president of United Environment and Energy LLC, Horseheads, N.Y. According to him, “This is the first economical way to produce biodiesel from algae oil. It costs (43) ______ than conventional processes because you would need a much smaller factory.”
Question 39: A. to B. against C. with D. for
Question 40: A. adapt B. transform C. modify D. alter
Question 41: A. on B. from C. with D. of
Question 42: A. lead B. top C. summit D. peak
Question 43: A. much less B. little C. best D. few
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